2507192 - Runtime error "ITAB_DUPLICATE_KEY" "CL_AGS_DVM_ASSIST_DVM_EWA=====CP" in Solution Manager 7.2.

Call transaction ST22, the following error appears.

Category               ABAP Programming Error
Runtime Errors         ITAB_DUPLICATE_KEY
ABAP Program           CL_AGS_DVM_ASSIST_DVM_EWA=====CP
Application Component  SV-SMG-DVM
Date and Time          20.07.2017 07:37:48

Short Text

Error in the ABAP Application Program

The current ABAP program "CL_AGS_DVM_ASSIST_DVM_EWA=====CP" had to be
terminated because it has
come across a statement that unfortunately cannot be executed.

Information on where it terminated:
Error in the ABAP Application Program

The current ABAP program "CL_AGS_DVM_ASSIST_DVM_EWA=====CP" had to be
terminated because it has
come across a statement that unfortunately cannot be executed

 INSERT LINES OF lt_client_sys_list INTO TABLE et_all_clients_4_sys

SAP Solution Manager 7.2 SP05

ITAB_DUPLICATE_KEY, CL_AGS_DVM_ASSIST_DVM_EWA=====CP,  ITAB_DUPLICATE_KEY, CL_AGS_DVM_ASSIST_DVM_EWA=====CP, CL_AGS_DVM_ASSIST_DVM_EWA=====CM00T, GET_CLIENTS_FOR_SYSTEMS. , KBA , SV-SMG-DVM , Data Volume Management , Problem